What ERR2 means on your Asko built-in oven (asko oven err2)
Asko does not publish a meaning for Err2 in any oven manual we reviewed; the pattern is the same generic display described for every code in this range. Repair-site tables that claim Err2 means a specific problem are not cited to any manual and are not reproduced here as fact. What is useful, and what those tables leave out, is the pattern owners actually report: Err2 tends to show up alongside temperature drift rather than a total no-heat problem, which points a technician toward the sensor and relay rather than the element itself. That distinction between Err1’s no-heat pattern and Err2’s hot-or-cold-drift pattern is exactly the kind of detail an undecoded code cannot give you on its own.

Symptoms
What your Asko built-in oven is doing should match the list below if this is genuinely the problem rather than one that only resembles it. The built-in oven may present one symptom or many, sometimes over several cycles and sometimes right after a power cut, a heavy load, or a recent installation.
- the oven heats, but food consistently comes out under- or overcooked at the set temperature
- an oven thermometer placed inside shows a swing of 20 degrees or more from the display setting
- Err2 tends to appear partway through a longer bake rather than at the start
- the element cycles on and off more rapidly or more slowly than expected
- preheat may take noticeably longer than usual before the code appears
Common causes
Because different problems can present the same way on your Asko built-in oven, the list is arranged from most likely to least. Working down it in order keeps a simple built-in oven check distinct from a problem that genuinely needs a technician and the correct Asko part.
- NTC sensor reading drift — an aging sensor reports a temperature that is close but not accurate, so the control overcorrects and posts an error once the drift crosses its tolerance
- Thermostat relay contacts pitted or stuck — worn contacts hold the element on or off longer than commanded, producing the hot/cold swing
- Sensor probe out of position — a probe that has shifted away from the cavity wall reads ambient air rather than true oven temperature
- Control board calibration lost after a power event — a brownout or surge can shift the board’s internal offset for the sensor reading
Troubleshooting steps you can try
Try these checks on your Asko built-in oven in the order given before you call for service, since the early ones often settle the matter. Stop the moment you are unsure, or where mains voltage, gas, a hot cavity, water, or a sealed component is involved on the built-in oven, and leave the rest to a qualified technician.
- Isolate the oven at the breaker for several minutes, then reconnect and reset the clock, exactly as the manual instructs.
- Place an independent oven thermometer inside and run a plain bake cycle to compare actual temperature against the display.
- Note how far into the cycle Err2 appears — early appearance versus mid-cycle appearance both narrow down the cause.
- Avoid repeatedly cycling power to try to “fix” the drift; it does not correct a sensor or relay failure.
- If the thermometer confirms a real swing and Err2 recurs, book a technician rather than compensating by adjusting the set temperature.
Parts a technician may replace
Expect a technician to inspect, test, or replace the ntc temperature sensor, thermostat relay contacts, control board firmware, and calibration setting on your Asko built-in oven, depending on what the diagnosis shows. Each part is matched to the built-in oven by model, serial, and Art. No., and genuine OEM or trusted-supplier components are fitted to the built-in oven rather than generic ones, so the fix holds.
When to call a technician
A technician measures NTC resistance at a known oven temperature against Asko’s spec curve, inspects the relay contacts for pitting, and checks probe seating before recalibrating or replacing anything. This Medium-severity problem poses no immediate risk to your Asko built-in oven, but ERR2 recurring on the built-in oven after the checks above calls for a technician to confirm the cause before replacing anything. Work on your Asko built-in oven is independent of Asko, Gorenje, and Hisense; experienced technicians fit genuine OEM or trusted-supplier parts, and the labor on the built-in oven is covered by a 30-day warranty. Booking your Asko built-in oven goes smoothest when you have its model, serial, and Art. No. ready, since that pins the exact part for the built-in oven before the visit and shortens how long ERR2 takes to fix.
Related help and Asko resources
If the checks above leave ERR2 unresolved on your Asko built-in oven, book Asko built-in oven repair, browse our built-in oven error-code guides, step through our step-by-step repair guides, schedule service whenever it suits, or find local help on our locations page. Full product details for your Asko built-in oven live on the manufacturer’s site at global.asko.com.